组别 | 术前4 h | 术后12 h | 术后24 h | 术后48 h |
PCIA组 | 2.76 ± 0.45 | 10.21 ± 0.71 | 23.23 ± 1.53 | 37.32 ± 2.13 |
PCEA组 | 2.65 ± 0.43 | 6.67 ± 0.43 | 11.11 ± 1.43 | 19.32 ± 2.39 |
t值 | 1.01 | 23.36 | 31.70 | 30.80 |
P值 | >0.05 | <0.05 | <0.05 | <0.05 |